This page assembles miscallaneous information concerning my musical instrument: the EWI and VL1 Physical Modeling Syntheszer.
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RESEARCH PAPERS and PATENT DOCUMENTS
RELATED TO THE YAMAHA VL SYNTHESIZERS
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PAPERS by J. WOODHOUSE et al.
Woodhouse's research into the physics of the violin has been the single most important influence on the development of the waveguide technology by Julius Smith and his group at Stanford CCRMA. Woodhouse, a faculty memebr of the Engineering Department at Cambridge University, and a violin maker himelf, has published many papers on the topic since the late '70s.
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| On the Oscillations of Musical Instruments - M.E. McIntye, R.T. Schumacher and J.Woodhouse - Journal of the Acoustic Society of America, vol.74, no.5, 1983.
This is the article most cited in Julius Smith's articles on waveguide technology. It first outlines the basic structure of what would become the VL synth - a non-linear excitor (the reed/bow) driving a linear resonator (the string or bore, modelled later by a digital waveguide).
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The Acoustics of Stringed Musical Instruments - M.E. McIntye and J.Woodhouse
- (Interdisciplinary Sciene Reviews, 1978) |
| The Bowed String as We Know It Today - Woodhouse & Galluzzo - Acta Acoustica 2004 |
| Friction and the Bowed String - M.E. McIntye and J.Woodhouse - Wear 113, 1986 |
| Of Old Wood and Varnish - Barlow & Woodhouse - JCAS Vol.1 No.4, 1989 |
| The Transient Behaviour of Models of Bowed String Motion - Schumacher & Woodhouse, Chaos 5 1994 |
| Computer Modelling of Violin Playing - Schumacher & Woodhouse, Contemporary Physics, 1995 |
| On the Fundamentals of Bowed String Dynamics - M.E. McIntye and J.Woodhouse , Acustica, vol.43, 1979 |
| On the Synthesis of Guitar Plucks - J. Woodhouse, Acta Acustica, vol.90, 2004 |
| Idealised Models of a Bowed String - J. Woodhouse, Acustica, vol. 79, 1993 |
| On the Stability of Bowed String Motion - J. Woodhouse - Acustica, vol. 80, 1994 |
| Bridging the Divide - Interview with J. Woodhouse - The Strad, 2005 |
PAPERS by JULIUS O. SMITH
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| Physical Modelling Using Digital Waveguides - Julius O. Smith III, - Computer Music Journal, Winter 1992.
This is the best short article on the theoretical background to waveguide technology.
JOS also provides working C code to implement a simple waveguide synthesizer.
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Virtual Acoustic Musical Instruments - Review of Models and Selected Research
Julius O. Smith III - Oct. 19, 2005
Presentation Overheads for Keynote Address by JOS
This document has many interesting diagrams relating to waveguide synthesizers.
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| MUSIC APPLICATIONS OF DIGITAL WAVEGUIDES - Julius Smith
"This is an overview of digital waveguides as applied to music. Included are papers and viewgraphs describing Waveguide Reverberation, Waveguide Synthesis, Limit Cycle Elimination and Background Theory"
Stanford Department of Music, Document STAN-M-39, 1987
This is a collection of four articles by JOS, about 170 pages long.
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PHYSICAL AUDIO SIGNAL PROCESSING FOR VIRTUAL MUSICAL INSTRUMENTS AND AUDIO EFFECTS - JULIUS O. SMITH III
Center for Computer Research in Music and Acoustics (CCRMA)
Department of Music, Stanford University, Stanford, California 94305 USA
August 2006 Edition
This "online book" by JOS has a wealth of information on waveguides and many other aspects of virtual instrument design, including working code for many of his examples, and numerous diagrams and illustrations.
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